@inproceedings{sgem2017s13083,
  title = {THE POSSIBILITY OF USING SPECTROGRAPHIC DATA TO ASSESS SOILS FERTILITY},
  author = {Vyacheslav Sirotkin and Sergey Vasyukov and Bulat Usmanov},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Water Resources. Forest, Marine and Ocean Ecosystems},
  year = {2017},
  pages = {639-646},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2017/32/s13.083}
}